It has been set by trend b&g vendor. your books may be missing and/or different when purchased from other vendors. we wish you a pleasant shopping. more than 5 stocks are available to be sold at the campaign price. the listed price is valid until october 16, 2026. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.